https://hackaday.com/2014/08/02/a-nicely-designed-stereo-tube-amp/
A Nicely Designed Stereo Tube Amp | Hackaday
Aug 2, 2014 - Most of the work that [Ron] has done in the past with vacuum tubes and solid state electronics has been repair. At 59 years old, he finally put together his...
stereo tubenicelydesignedamphackaday